TJA1046TKZ - English Editing Encyclopedia Entry

Product Overview

Category

TJA1046TKZ belongs to the category of automotive communication ICs.

Use

This product is primarily used for in-vehicle networking applications, specifically in the field of automotive electronics.

Characteristics

• TJA1046TKZ is a high-speed CAN transceiver designed for use in automotive applications.
• It supports the Controller Area Network (CAN) protocol, which enables reliable and efficient communication between various electronic control units (ECUs) within a vehicle.
• The transceiver operates at high speeds, allowing for fast data transmission and reception.
• It features excellent electromagnetic compatibility (EMC) performance, ensuring reliable operation even in harsh automotive environments.
• TJA1046TKZ is designed to meet the stringent requirements of the automotive industry, including temperature, voltage, and reliability standards.

Package and Quantity

The TJA1046TKZ transceiver is available in a compact surface-mount package. The specific package type may vary depending on the manufacturer. It is typically supplied in tape and reel packaging, with a quantity of 250 or 500 units per reel.

Specifications

• Supply Voltage: 5 V
• Operating Temperature Range: -40°C to +125°C
• Data Rate: Up to 1 Mbps
• Transceiver Type: High-Speed CAN
• ESD Protection: ±8 kV HBM (Human Body Model)
• Package Type: Surface Mount

Pin Configuration

The TJA1046TKZ transceiver has a total of 14 pins. The pin configuration is as follows:

1. VCC
2. GND
3. TXD
4. RXD
5. STB
6. EN
7. CANH
8. CANL
9. VIO
10. NC
11. NC
12. NC
13. NC
14. NC

Functional Features

• High-speed data transmission: The TJA1046TKZ transceiver supports data rates of up to 1 Mbps, enabling fast and efficient communication between ECUs.
• Low power consumption: It features a low-power mode that reduces power consumption when the transceiver is not actively transmitting or receiving data.
• Wake-up capability: The transceiver can be configured to wake up from low-power mode upon receiving specific wake-up patterns, allowing for efficient power management.
• Error detection and fault handling: TJA1046TKZ incorporates error detection mechanisms, such as CRC (Cyclic Redundancy Check), to ensure data integrity. It also provides fault handling features to handle various error conditions.

Advantages and Disadvantages

Advantages

• High-speed data transmission enables quick and efficient communication between ECUs.
• Excellent EMC performance ensures reliable operation in automotive environments.
• Low power consumption contributes to overall energy efficiency.
• Wake-up capability allows for efficient power management.
• Error detection and fault handling mechanisms enhance data integrity and system reliability.

Disadvantages

• Limited pin configuration options may restrict certain application scenarios.
• Availability and compatibility with alternative models may vary depending on the manufacturer.

Working Principles

The TJA1046TKZ transceiver operates based on the principles of the Controller Area Network (CAN) protocol. It receives and transmits data over a differential bus, using voltage levels to represent logical states. The transceiver interfaces with the microcontroller or other ECUs, facilitating communication between them. It employs various techniques, such as bit stuffing and error checking, to ensure reliable data transmission and reception.

Detailed Application Field Plans

TJA1046TKZ finds extensive application in the automotive industry, particularly in vehicles equipped with advanced electronic systems. Some key application areas include:

1. Engine Control Units (ECUs)
2. Transmission Control Units (TCUs)
3. Body Control Modules (BCMs)
4. Infotainment Systems
5. Advanced Driver Assistance Systems (ADAS)
6. Electric Power Steering (EPS) Systems
7. Lighting Control Systems

Detailed and Complete Alternative Models

• TJA1040TK/3
• TJA1041TK/3
• TJA1042TK/3
• TJA1043TK/3
• TJA1044TK/3
• TJA1045TK/3

These alternative models offer similar functionality and compatibility with the TJA1046TKZ transceiver, providing options for different system requirements and design considerations.

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